4 sentences

1. 水面上的倒影忽悠忽悠地晃动。

   shuǐ​miàn shàng de dào​yǐng hū​you hū​you de huàng​dòng.

   The reflections on the water's surface wavered gently.

   Source: Dong Chinese Dictionary

2. 请用力按住这块木板，别让它晃动。

   qǐng yòng​lì àn zhù zhè kuài mù​bǎn, bié ràng tā huàng​dòng.

   Please hold this board down firmly so it doesn't wobble.

   Source: Dong Chinese Dictionary

3. 地震时，天花板上的吊灯不停地晃动。

   dì​zhèn shí, tiān​huā​bǎn shàng de diào​dēng bù​tíng de huàng​dòng.

   During the earthquake, the chandelier on the ceiling kept swaying.

   Source: Dong Chinese Dictionary

4. 他因为高烧不退而产生了幻觉，看到墙上有黑影在晃动。

   tā yīn​wèi gāo​shāo bù tuì ér chǎn​shēng le huàn​jué, kàn​dào qiáng shàng yǒu hēi​yǐng zài huàng​dòng.

   He hallucinated due to a persistent high fever, seeing dark shadows moving on the wall.

   Source: Dong Chinese Dictionary